The weather in September in Jūrmala

It's cool to moderate in September in Jūrmala with an average temperature of 18°C. Temperatures this month range from a low of 15°C to a high of 22°C. At night, you can expect temperatures between 7°C and 13°C.

Looking for great weather? September is a good time to be in Jūrmala. The temperatures are nice, and there’s not too much rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Jūrmala, Latvia. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 29°C in 2018, Jūrmala reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 8°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of -1°C to a highest value of 17°C.

Rainfall amount

In September, there is an average of 58 mm of precipitation, spread over 9 days. The wind speed is around 4 Bft, mostly coming from the South.

Daily weather in September for Jūrmala

Click on any day in September to get detailed info about the usual weather on that day in Jūrmala. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  Jūrmala New York
Average temperature 18°C 27°C
Max. temperature 22°C 31°C
Min. temperature 7°C -5°C
Total precipitation 58 mm 57 mm
Rainy days 9 days 9 days

Start of September

The month of September starts in Jūrmala with mild temps, averaging around 20°C during the day and nights around 11°C.

Mid September

By mid-September, daytime temps drop to around 19°C, with nights around 10°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of September

By the end of September, the average daytime temperature in Jūrmala is around 17°C, while nighttime temps are about 9°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.

Find affordable trips to Jūrmala

UV index

The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.

Check out the climate of Jūrmala for all months and discover the best travel time

Curious about the weather in other parts of Latvia? Check out the climate and weather for spots like Riga, Ventspils, or explore other destinations in Latvia.

Temperature charts

These charts show the average temperatures in September in Jūrmala, Latvia. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Jūrmala

Temperature in September in Jūrmala over the years

Precipitation charts

These charts show the average amount of precipitation in September in Jūrmala, Latvia. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in Jūrmala

Total precipitation in September in Jūrmala over the years

Daily UV index in September in Jūrmala

This chart shows the average daily UV index in September in Jūrmala, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in September in Jūrmala

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Average weather in Jūrmala by month

Click on a month below to see detailed weather info for Jūrmala. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.